Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 434 · 40 questions

Creator's tip (Width times height): Pixels = width × height; megapixels = pixels ÷ 1000000. Aspect ratio = width : height. 16:9 wide, 4:3 squarer, 1:1 square, 9:16 tall. Keep the ratio: a 16:9 frame 1920 pixels wide is 1920 ÷ 16 × 9 = 1080 tall. Printing: inches × pixels per inch.

1. 1.🟦 Which aspect ratio best fits a tall phone video? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
2. 2.🟦 An image is 320 × 180 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
3. 3.🟦 A 16:9 video frame is 800 pixels wide. How many pixels tall is it?
4. 4.🟦 The resolution of an image is … (a) the number of pixels (b) the paper colour (c) the font (d) the file name
5. 5.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
6. 6.Which of these best fits 4:3? (a) a square post (b) an upright phone screen (c) a phone story clip (d) an old-style monitor
7. 7.🟦 Which aspect ratio best fits a square sticker? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
8. 8.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
9. 9.🟦 A 16:9 video frame is 1530 pixels tall. How many pixels wide is it?
10. 10.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
11. 11.🟦 Which aspect ratio best fits a widescreen TV? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
12. 12.🟦 An image is 130 pixels wide and 200 pixels tall. How many pixels does it have in all?
13. 13.🟦 What is a pixel? (a) a tiny dot of colour (b) a font size (c) a sound (d) a type of paper
14. 14.🟦 You shrink a 740 × 160 pixel image to half its width and half its height. How many pixels does it have now?
15. 15.🟦 A 16:9 video frame is 480 pixels wide. How many pixels tall is it?
16. 16.🟦 A photo is 6000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
17. 17.🟦 An image is 150 × 100 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
18. 18.Which of these best fits 9:16? (a) a tall phone video (b) a laptop film screen (c) a square profile picture (d) a widescreen TV
19. 19.🟦 A 16:9 video frame is 180 pixels tall. How many pixels wide is it?
20. 20.Which of these best fits 1:1? (a) an older TV screen (b) a phone story clip (c) a square profile picture (d) an old-style monitor
21. 21.🟦 You shrink a 60 × 280 pixel image to half its width and half its height. How many pixels does it have now?
22. 22.Which of these best fits 16:9? (a) a laptop film screen (b) an upright phone screen (c) an older TV screen (d) a classic tablet screen
23. 23.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
24. 24.🟦 Which aspect ratio best fits an album cover? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
25. 25.🟦 Which aspect ratio best fits an old-style monitor? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
26. 26.🟦 A 4:3 video frame is 480 pixels tall. How many pixels wide is it?
27. 27.🟦 You shrink a 360 × 280 pixel image to half its width and half its height. How many pixels does it have now?
28. 28.Which of these best fits 16:9? (a) a square profile picture (b) an upright phone screen (c) a landscape video (d) an older TV screen
29. 29.🟦 An image is 3360 × 1890 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
30. 30.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
31. 31.🟦 Which aspect ratio best fits an older TV screen? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
32. 32.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
33. 33.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
34. 34.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) more colourful (c) exactly the same (d) sharper
35. 35.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
36. 36.🟦 An image is 100 × 100 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
37. 37.🟦 You shrink a 760 × 100 pixel image to half its width and half its height. How many pixels does it have now?
38. 38.🟦 A photo is 6000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
39. 39.🟦 You shrink a 520 × 100 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.Which of these best fits 16:9? (a) a square sticker (b) a widescreen slide (c) a classic tablet screen (d) an old-style monitor

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